x2x error on decodew_aho.sh 

When I try to run decode_aho.sh, I receive this error. Is it an error of the data format?

Convert parameters to float data
usage: x2x [-f base] [-t base] [-l | -u] value
x2x: error: unrecognized arguments: data/test/predicted/SF1-TF1/200005.lf0.dat

Thank you 